Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
Your car's computer has detected that part of the transmission is not working as quickly or efficiently as it should. It's like when you try to change gears on a bike, and it doesn't switch smoothly.
The code P2704 indicates that the transmission control module (TCM) has detected an issue with the time it takes for the friction element 'E' to engage. This could mean it's taking too long or not performing as expected.
P2704 is triggered when the TCM identifies that the apply time for the friction element 'E' in the transmission is outside the expected range. This could be due to a mechanical issue within the transmission or a problem with the hydraulic circuits.
• Check Engine Light is on
• Transmission slipping
• Harsh or delayed gear shifts
• Faulty transmission solenoid
• Low transmission fluid level
• Internal transmission failure
Transmission Control Module (TCM): A computer that controls the transmission operations.
Solenoid: An electromechanical device that controls the flow of fluid in the transmission.
• Check for other transmission-related codes.
• Inspect transmission fluid level and condition.
• Test the transmission solenoids and wiring.
• Replace or repair faulty transmission solenoid.
• Refill or replace transmission fluid.
• Rebuild or replace the transmission if necessary.
• OBD-II scanner
• Transmission fluid level gauge
• Multimeter
$200 - $2500, depending on the issue
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regular transmission fluid changes
• Routine transmission inspections
• Avoid aggressive driving habits
Transmission Performance
• Avoid driving the vehicle until repaired to prevent further damage.
• Consult a professional mechanic for a thorough diagnosis.
Transmission issues may be covered under the powertrain warranty. Check with your vehicle manufacturer.
P2704 has been a common code in vehicles with automatic transmissions, often related to solenoid or fluid issues.
High – Immediate attention is recommended to prevent further transmission damage.
Driving with transmission issues can be dangerous and may lead to further vehicle damage.
• Vehicle at operating temperature
• Transmission in drive mode
The transmission solenoids are located inside the transmission housing, usually accessible by removing the transmission pan.
Q: Can I drive with a P2704 code?
A: It's not recommended to drive with this code, as it can lead to further transmission damage.
Q: How do I reset the P2704 code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue persists, the code may return.
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